Home / 5,539.49-7,644.40-3,021.61

Finding the Fourth Proportional to 5,539.49, 7,644.40 and 3,021.61

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Solution

The fourth proportional to 5,539.49, 7,644.40 and 3,021.61 is: 4,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.49 : 7,644.40 = 3,021.61 : x
  2. Step 2: Convert to fraction form
    5,539.49/7,644.40 = 3,021.61/x
  3. Step 3: Cross multiply
    5,539.49x = 7,644.40 × 3,021.61
  4. Step 4: Simplify right side
    5,539.49x = 23,098,395.48
  5. Step 5: Solve for x
    x = 23,098,395.48/5,539.49
  6. Step 6: Final answer
    x = 4,169.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.